<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>Document</title>
    <style>
        ul{
            list-style:none;
        }
        li{
            width: 200px;
            margin-right: 20px;
            float:left;
        }
        img{
            width: 100%;
        }
        #box{
            clear:both;
        }
    </style>
</head>
<body>
    <ul>
        <li><img src="./images/guofucheng.jpg" alt=""></li>        
        <li><img src="./images/liming.jpg" alt=""></li>        
        <li><img src="./images/liudehua.jpg" alt=""></li>        
        <li><img src="./images/zhangxueyou.jpg" alt=""></li>        
    </ul>

    <div id="box">

    </div>

    <script>
        
    </script>
</body>
</html>